查询词典 quantitative method

The present studies developed a method of spectrophotometry for quantitative determination of the total concentration of Jasminum flavonoids. The result showed the optimal determination wavelength was 500nm.

研究确定了最佳检测波长为500nm，以芦丁为标准品，在100～800μg/mL范围内，浓度和吸光度呈良好的线性关系，回归方程为A=0.0008C+0.0248，相关系数r=0.9999，回收率在96.5％～105％之间。

STUDY OF THE QUANTITATIVE METHOD IN KATHAROMETER GAS CHROMATOGRAPHY BY USING AIR AS STANDARD

以空气作标准的热导池气相色谱定量方法的研究

Injury of T12 spinal cord was induced by modified Allen"s method , the rats" restitution of kinesalgia and sensation function was valued by combine behavioral score and the expression of c-fosmRNA and BDNFmRNA was observed by situ hybrization and image quantitative analysis.

采用改良的ALLEN'S撞击法致大鼠T_(12)脊髓损伤，应用CBS联合运动评分判定脊髓损伤后大鼠运动、感觉功能的恢复情况，同时应用原位杂交方法及图像定量分析法观察脊髓损伤后c-fosmRNA和BDNFmRNA的表达。

To investigate the mechanism of difference in intramuscular fat deposition between Erhualian and Large White pigs, single tube relative-quantitative RT-PCR method was used to investigate the development patterns of lipogenic and lipolytic gene expression with 18S internal standard control.

采集背最长肌，用乙醚抽提法分析肌内脂含量，同时取冈上肌和半膜肌提取组织的总RNA，用相对定量RT-PCR方法，以18S作内标，分析脂肪合成基因与水解基因表达的发育性变化。

The developed method is simple with lower cost, by which loganin and morroniside can be used as reference substances for the qualitative and quantitative analysis of Chinese herbal medicine.

结论本法简便，制备成本低，所得马钱苷和莫诺苷可作为中药定性、定量分析使用的对照品。

Objective: To investigate the chemical constituents and establish a quantitative method of Mallotus apelta .

中文摘要：目的：研究白背叶的化学成分并建立含量测定方法。

Therefore, the objective appraisement should be obtained by the quantitative measuration and calculation at the color and the color change of edible meat with advanced method, technology and instrunent.

因此，采用先进的方法、技术和仪器，通过对食用肉的颜色和颜色变化进行定量化测定和计算，可以获得客观评价。

Samples of lactide with melting point 127℃ were conducted a quantitative analysis test by using non aqueous titration with sodium methoxide and Karl Fischer method.

用甲醇钠非水滴定法、卡尔－费休法对熔点为127℃的丙交酯样品进行了定量分析试验，测出残存的乳酸和水的质量分数分别为0.09％和0.07％左右，回收率分别为98.64％～101.2％和98.74％～101.1％。

Melamine in eggs was extracted and the protein in samples was precipitated with acetronitrile, melamine was separated on a Luna SCX column (Luna 5u SCX 250×4.6mm) with monopotassium phosphate(MKP 0.05mol/L, pH=3.00), acetronitrile buffer solution (70:30, by volume) as the mobile phase at flow rate 1.50mL/min and the detection wavelength was 240nm, quantitative with external standard method.

采用乙腈作为样品中蛋白质的沉淀剂和三聚氰胺提取剂，流动相为0.05mol/L(pH=3.00)的磷酸二氢钾乙腈缓冲溶液，检测波长为240nm，流速为1.50mL/min，SCX(Luna 5u SCX250×4.6mm)色谱柱进行分离，HPLC-UV检测，外标法定量。

First, the method of quantitative of triterpenoid in mycelia of Ganoderma lucidum were established.

首先，建立了灵芝发酵菌丝三萜类化合物含量的检测方法。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。